Multicentric randomized clinical trial to evaluate the long-term effectiveness of a motivational intervention against smoking, based on the information obtained from spirometry in primary care: the RESET study protocol

Martín-Luján, Francisco; Santigosa-Ayala, Antoni; Piñol-Moreso, Josep-Lluis; Sorlí-Aguilar, Mar; Flores-Mateo, Gemma; Bladé-Creixenti, Jordi; Basora, Josep; Solà-Alberich, Rosa

doi:10.1186/s12875-016-0415-1

Cited by 9 publications

(9 citation statements)

References 44 publications

(57 reference statements)

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“…RESET is a multicentre randomized controlled clinical trial carried out in 20 primary health care centres in the province of Tarragona (Spain), aimed to evaluate the 12-month effectiveness of an intervention providing structured information about the results of spirometry in prolonging smoking abstinence rates [22]. This trial has been registered with ClinicalTrial.gov (NCT02153047).…”

Section: Methodsmentioning

confidence: 99%

Dietary patterns are associated with lung function among Spanish smokers without respiratory disease

et al. 2016

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BackgroundDiet can help preserve lung function in smokers, in addition to avoidance of smoking. The study aimed to evaluate associations between dietary patterns and lung function in smokers without respiratory disease.MethodsThis cross-sectional study analysed baseline data from randomised representative smokers without respiratory disease (n = 207, aged 35–70 years), selected from 20 primary health-care centres. Participants completed a validated semi-quantitative food-frequency questionnaire. Dietary patterns were identified by Principal Component Analysis (PCA). Impaired lung function was defined as FVC <80% and/or FEV1 < 80% of predicted value and/or FEV1/FVC <0.7. Associations were determined by logistic regression.ResultsThree major dietary patterns were identified. In multivariate-adjusted model, impaired lung function was associated with the Alcohol-consumption pattern (OR 4.56, 95% CI 1.58–13.18), especially in women (OR 11.47, 95% CI 2.25–58.47), and with the Westernised pattern in women (OR 5.62, 95% CI 1.17–27.02), whereas it not was associated with the Mediterranean-like pattern (OR 0.71, 95% CI 0.28–1.79).ConclusionIn smokers without respiratory disease, the Alcohol-consumption pattern and the Westernised pattern are associated with impaired lung function, especially in women. The Mediterranean-like pattern appears to be associated with preserved lung function because no statistical association is observed with impaired lung function. In addition to smoking cessation, modifying dietary patterns has possible clinical application to preserve lung function.Electronic supplementary materialThe online version of this article (doi:10.1186/s12890-016-0326-x) contains supplementary material, which is available to authorized users.

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Section: Methodsmentioning

confidence: 99%

Dietary patterns are associated with lung function among Spanish smokers without respiratory disease

et al. 2016

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“…In conjunction with the systematic search we found five published study protocols 16-20 . No additional ongoing studies were found in the PROSPERO database 6 .…”

Section: Resultsmentioning

confidence: 99%

“…There are five published study protocols for RCTs evaluating the use of spirometry as a strategy for smoking cessation 16-20 . Results from these studies can be expected to affect the current state of scientific knowledge within a few years.…”

Section: Discussionmentioning

confidence: 99%

Spirometry to increase smoking cessation rate: A systematic review

Westerdahl¹,

Engman²,

Arne

et al. 2019

Tob. Induc. Dis.

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INTRODUCTION Addressing tobacco use is an important issue in general health care. In order to improve smoking cessation advice, spirometry values can be displayed to the smoker to demonstrate possible lung function impairment. The estimate of so-called lung age may show a decrease in lung function associated with smoking. It has been suggested that performing spirometry on patients who smoke but are asymptomatic can be a useful way to show the adverse effects of smoking. The aim of this systematic review was to determine if providing spirometry results in combination with smoking cessation counselling can increase smoking cessation rates compared to what is achieved through counselling alone. METHODS In this systematic review, we included randomized controlled trials (RCTs) evaluating smoking cessation interventions for adult smokers. The systematic search was performed in PubMed, Medline, Cochrane Library, Cinahl, Embase, Amed and PsycInfo. RESULTS The literature search resulted in 946 studies, which, after reading by two independent reviewers, were reduced to seven trials that matched the inclusion criteria. Two RCTs showed significant improvement in smoking cessation when giving patients feedback on spirometry results in combination with smoking cessation counselling, compared to patients who received only smoking cessation counselling. In both studies, the spirometry results were expressed as lung age. In the other five studies no difference was found. Five further published study protocols for ongoing RCT studies in the field have been found, and therefore this systematic overview will likely need to be updated within a few years. CONCLUSIONS Few studies have been undertaken to examine the efficacy of spirometry in increasing smoking quit rates. Studies conducted to date have shown mixed results, and there is currently limited evidence in the literature that smoking cessation counselling that includes feedback from spirometry and a demonstration of lung age promotes quit rates.

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“…The heterogeneity of the interventions between previous studies limited the scope to combine the findings with the DOC study in a meta‐analysis. Findings from ongoing trials may help to provide more conclusive evidence as to whether complex interventions including the individualised communication of lung age alongside education and/or nicotine replacement therapy impact on smoking cessation.…”

Section: Discussionmentioning

confidence: 99%

“…There is a paucity of good quality research evidence in this area, and the findings are currently inconclusive . Trials have been set up to consider the effectiveness of complex interventions around lung health, including spirometry, smoking cessation advice, and personalised feedback of lung health, with the results not yet available.…”

Section: Introductionmentioning

confidence: 99%

The impact of lung function case‐finding tests on smoking behaviour: A nested randomised trial within a case‐finding cohort

Ronaldson

Dyson

Clark

et al. 2018

Health Science Reports

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Rationale, aims, and objectivesIncreasing awareness of people's lung health through the use of lung function tests or symptom‐based questionnaires is a potential method to aid smoking cessation. We investigated the impact of case‐finding lung function tests for chronic obstructive pulmonary disease on smoking behaviour.MethodsOur trial used a novel waiting list randomised controlled trial design, nested within a case‐finding cohort study. The cohort comprised current smokers aged 35 years or more, from general practices in Yorkshire and Humberside, who were randomised to receive lung function tests (spirometry, microspirometry, peak flow meter measurement, and a WheezoMeter) and case‐finding questionnaires either immediately (“tests now”) or later (“waiting list” control). Outcome measures included self‐reported smoking cessation and number of cigarettes smoked at follow‐up (at 2, 3, or 6 months after randomisation, depending on study site), with 409 participants included in the primary analysis.ResultsSix hundred seventy‐four participants were randomised using stratified block randomisation to the 2 groups (340 to “tests now” and 334 to “waiting list”), with 409 included in the primary analysis (194 in “tests now” and 215 in “waiting list” groups). Smoking cessation at follow‐up was very similar across groups (8.8% in the “tests now” group, compared with 9.2% in the “waiting list” group). Completing case‐finding lung function tests did not significantly impact smoking cessation (OR 1.00, 95% CI, 0.57‐1.77, adjusting for age, sex, baseline number of cigarettes smoked, and study site). A sensitivity analysis, assuming that participants with missing data were still smoking, gave similar results (OR 0.86, 95% CI, 0.47‐1.56). Analysis of the number of cigarettes smoked at follow‐up using negative binomial regression adjusting for the same factors above gave an incidence rate ratio of 0.95 (95% CI, 0.88‐1.03).ConclusionsThere is no evidence from this trial of an effect of lung function tests on smoking cessation among a population of smokers aged 35 years or over. Indeed, when assuming that those with missing data were smokers, a slightly lower odds of smoking cessation was observed in the “test now” group compared with the “waiting list” group.

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Multicentric randomized clinical trial to evaluate the long-term effectiveness of a motivational intervention against smoking, based on the information obtained from spirometry in primary care: the RESET study protocol

Cited by 9 publications

References 44 publications

Dietary patterns are associated with lung function among Spanish smokers without respiratory disease

Dietary patterns are associated with lung function among Spanish smokers without respiratory disease

Spirometry to increase smoking cessation rate: A systematic review

The impact of lung function case‐finding tests on smoking behaviour: A nested randomised trial within a case‐finding cohort

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